       (-> (p/do! (on-init @local))
           (p/then (fn [data]
                     (vreset! local data)
-                    (.textMessageHandler ws (vu/fn->handler
+                    (.textMessageHandler ws (vi/fn->handler
                                              (fn [msg]
                                                (-> (p/do! (on-message @local msg))
                                                    (p/then (fn [data]
                                                              (when (instance? WebSocket data)
                                                                (vreset! local data))
                                                              (.fetch ws 1)))))))
-                    (.closeHandler ws (vu/fn->handler (fn [& args] (on-close @local))))))))))
+                    (.closeHandler ws (vi/fn->handler (fn [& args] (on-close @local))))))))))
 
 (defn ws-websocket
   []

   [uxbox.util.uuid :as uuid]
   [uxbox.util.transit :as t]
   [uxbox.util.blob :as blob]
   [vertx.core :as vc]
   [vertx.http :as vh]
   [vertx.web :as vw]
   [vertx.util :as vu]
   [vertx.eventbus :as ve])
  (:import

(defn handler
  [{:keys [user] :as req}]
  (letfn [(on-init [ws]
            (let [ctx (vu/current-context)
                  fid (get-in req [:path-params :file-id])
                  ws  (assoc ws
                             :user-id user
